The bone at #30 and 31 is so hard that plenty of bone shaving is saved as bone graft to be placed in the socket of #31 (Fig.1,2 * (blue dashed line: #31 socket)).  The graft is placed until the plateau of the implant before placement of a healing abutment.

Hard Bone Next

Xin Wei, DDS, PhD, MS 1st edition 08/25/2018, last revision 08/25/2018